R46.4 is the ICD-10 code for Slowness and poor responsiveness. It is a four-character subcategory of R46 (Symptoms and signs involving appearance and behaviour), the most specific level in the WHO edition. It belongs to the block R40–R46 (Symptoms and signs involving cognition, perception, emotional state and behaviour) in Chapter XVIII, Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
- Code type
- Subcategory (4 characters)
- Chapter
- XVIII · R00–R99
- Classification
- WHO ICD-10, 2019 version
What R46.4 excludes
Conditions that look similar but belong under another code.
- stupor R40.1
R46.4 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
R46.4Langsom eller dårlig reaksjonsevne
DR464Sløv med nedsat reaktion
R46.4Hitaus ja heikko vastaanottavaisuus
R46.4Verlangsamung und herabgesetztes Reaktionsvermögen
R46.4Lenteur et manque de réactivité
R46.4traagheid en gebrekkige ontvankelijkheid
R46.4Slowness and poor responsiveness
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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